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Title:
BEARING, AND SCROLL-TYPE FLUID MACHINERY
Document Type and Number:
WIPO Patent Application WO/2015/133571
Kind Code:
A1
Abstract:
A bearing (11) has a substrate (110) and a coating layer (111). A crank shaft (13) is housed on an inner peripheral side of the substrate (110). The inner peripheral surface of the substrate (110) is coated by the coating layer (111). The coating layer (111) is formed by performing a surface treatment wherein, after a resin is applied at a thickness of t to the inner peripheral surface side of the substrate (110) and dried, a plurality of grooves (C) are provided to the surface of the resin so as to intersect the crank shaft (13) direction. Ridge parts (B) that are formed between adjacent grooves (C) are in contact with an outer peripheral surface of the crank shaft (13) and support the crank shaft (13). The width of the ridge parts (B) that are at the center of the bearing (11) with regard to the crank shaft (13) direction is different than the width of the ridge parts (B) at the ends.

Inventors:
SAWAMOTO AKIRA (JP)
AKIZUKI MASANORI (JP)
Application Number:
JP2015/056491
Publication Date:
September 11, 2015
Filing Date:
March 05, 2015
Export Citation:
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Assignee:
TAIHO KOGYO CO LTD (JP)
International Classes:
F16C17/02; F04C18/02; F04C29/00; F16C33/20
Foreign References:
JP2003269454A2003-09-25
JPH03249426A1991-11-07
JPS6062625U1985-05-01
JP2001289169A2001-10-19
JPH10259826A1998-09-29
JP2005256966A2005-09-22
JP2012097838A2012-05-24
Other References:
See also references of EP 3115631A4
Attorney, Agent or Firm:
ASAHI PATENT FIRM (JP)
Patent business corporation morning-sun patent firm (JP)
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